[Sweep GHA Fix] The GitHub Actions run failed with...

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Description

This pull request includes the following changes:

• Updated e2e_demo/scala/cleanup.sh to remove unnecessary files and directories.
• Updated e2e_demo/scala/run_demo-gradle.sh to handle errors during cleanup and project cleanup.
• Added a new file error_logs.txt in pysparkler module.
• Updated pysparkler/README.md to include version information and installation instructions.
• Updated pysparkler/config.yaml with new configurations.
• Updated scalafix/rules/src/main/resources/META-INF/services/scalafix.v1.Rule to add new fixes.
• Updated scalafix/rules/src/main/scala/fix/ScalaTestExtendsFix.scala to fix the extends with ScalaTest.
• Updated scalafix/rules/src/main/scala/fix/ScalaTestImportChange.scala to handle the import change with ScalaTest.

Summary

• Updated e2e_demo/scala/cleanup.sh to remove unnecessary files and directories.
• Updated e2e_demo/scala/run_demo-gradle.sh to handle errors during cleanup and project cleanup.
• Added a new file error_logs.txt in pysparkler module.
• Updated pysparkler/README.md to include version information and installation instructions.
• Updated pysparkler/config.yaml with new configurations.
• Updated scalafix/rules/src/main/resources/META-INF/services/scalafix.v1.Rule to add new fixes.
• Updated scalafix/rules/src/main/scala/fix/ScalaTestExtendsFix.scala to fix the extends with ScalaTest.
• Updated scalafix/rules/src/main/scala/fix/ScalaTestImportChange.scala to handle the import change with ScalaTest.

[sweep-ai]

Apply Sweep Rules to your PR?

• Apply: All new business logic should have corresponding unit tests.
• Apply: Refactor large functions to be more modular.
• Apply: Add docstrings to all functions and file headers.

[sweep-ai]

Fixing PR: track the progress here.

I'm currently fixing this PR to address the following:

[Sweep GHA Fix] The GitHub Actions run failed with the following error logs:

[!CAUTION]

An error has occurred: 422 {"message": "Reference already exists", "documentation_url": "https://docs.github.com/rest/git/refs#create-a-reference"} (tracking ID: b90c2e07d6)